Presentation 2008-11-25
Dependency of Backscattering from Ocean Surface on Ocean Winds Observed by an Airborne SAR(WSANE 2008 (Workshop for Space, Aeronautical and Navigational Electronics))
Akitsugu NADAI, Toshihiko UMEHARA, Takeshi MATSUOKA, Tatsuharu KOBAYASHI, Seiho URATSUKA,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) The normalized radar cross section (NRCS) of ocean surface in the L- and X-bands is measured from three directions of illumination by an airborne dual-frequency synthetic aperture radar (SAR), and the dependency of the NRCS and the polarization ratio on the relative wind direction is analyzed. In the X-band, the dependencies of the NRCSs in the parallel polarizations show different features each other. The NRCS in the X-band HH polarization has difference between the up- and down-wind conditions, though that in the VV polarization, the NRCSs for the up- and down-wind conditions are almost same. The dependency of the NRCS in the L-band on the wind direction is smaller than that in the X-band. The polarization ratio in the X-band shows the dependency on the wind direction with small difference between the up- and down-wind conditions, though that in the L-band is not apparent. The results suggest the possibility of ocean wind measurement using the polarimetric SAR in the X-band.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Ocean Winds / Radar Cross Section / Polarization Ratio / Synthetic Aperture Radar
Paper # SANE2008-80
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Conference Information
Committee SANE
Conference Date 2008/11/17(1days)
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Paper Information
Registration To Space, Aeronautical and Navigational Electronics (SANE)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Dependency of Backscattering from Ocean Surface on Ocean Winds Observed by an Airborne SAR(WSANE 2008 (Workshop for Space, Aeronautical and Navigational Electronics))
Sub Title (in English)
Keyword(1) Ocean Winds
Keyword(2) Radar Cross Section
Keyword(3) Polarization Ratio
Keyword(4) Synthetic Aperture Radar
1st Author's Name Akitsugu NADAI
1st Author's Affiliation Applied Electromagnetic Research Center, National Institute of Information and Communications Technology()
2nd Author's Name Toshihiko UMEHARA
2nd Author's Affiliation Applied Electromagnetic Research Center, National Institute of Information and Communications Technology
3rd Author's Name Takeshi MATSUOKA
3rd Author's Affiliation Applied Electromagnetic Research Center, National Institute of Information and Communications Technology
4th Author's Name Tatsuharu KOBAYASHI
4th Author's Affiliation Applied Electromagnetic Research Center, National Institute of Information and Communications Technology
5th Author's Name Seiho URATSUKA
5th Author's Affiliation NICT
Date 2008-11-25
Paper # SANE2008-80
Volume (vol) vol.108
Number (no) 318
Page pp.pp.-
#Pages 5
Date of Issue